BACKGROUND OF THE INVENTION
Technical Field
[0001] The present disclosure is related to a 3D printing device, and more particular to
a 3D printing device having a forming platform which is capable of retreating therefrom.
Description of Related Art
[0002] The 3D printing device of the present disclosure is related to a forming method of
fused deposition modeling (FDM). According to the forming method, a heat meltable
filamentous material is pre-heated to be melted. The melted material is extruded onto
a forming platform by a nozzle according to a layer profile of a predetermined 3D
model data and the extruded melted material is further solidified to form a layer.
A distance between the forming platform and the nozzle could be further modified,
and another layer is thereby allowed to be formed on the existing layer. A three-dimensional
model could be formed by multiple layers arranged in a stack.
[0003] A conventional FDM printing device includes a casing, and a forming platform, a nozzle
and rails are arranged in the casing. The printed model could be moved out from the
casing through an opening thereon. However, it is inconvenient to detach a large model.
[0004] In views of this, in order to solve the above disadvantage, the present inventor
studied related technology and provided a reasonable and effective solution in the
present disclosure.
SUMMARY OF THE INVENTION
[0005] A 3D printing device having a forming platform which is capable of retreating therefrom
is provided in the present disclosure.
[0006] According to an embodiment of the present disclosure, the 3D printing device has
a casing, a lifting platform accommodated in the casing, a horizontal sliding rail
arranged on the lifting platform, and a forming platform arranged on the horizontal
sliding rail is provided. A forming chamber is defined in the casing, an opening communicated
with the forming chamber being defined on a side of the casing. The horizontal sliding
rail is upward extended toward the opening. The forming platform is horizontally movable
along the horizontal sliding rail, and capable of moving out of the casing through
the opening.
[0007] According to the embodiment of the present disclosure, a bracket is arranged on a
bottom surface of the forming platform, when the forming platform is moved out of
the casing, the bracket is located outside the casing to support the forming platform.
One end of the bracket is pivotally connected to the bottom surface of the forming
platform and capable of being folded onto the bottom surface of the forming platform.
The bracket is a combined structure of serial connected multiple segments, and a length
of the bracket is thereby adjustable according to a point supported by the bracket.
A wheel is arranged on one end of the bracket for ratable contacting. A groove for
containing the bracket is defined on the bottom surface of the forming platform. The
forming platform is penetrated by a locking pin, when the bracket is expanded, the
forming platform and the bracket is penetrated by the locking pin and the bracket
is thereby positioned at an expanded position. A magnetic member is arranged on the
bracket, when the bracket is folded to the forming platform, the magnetic member magnetically
attaches the forming platform and the bracket is thereby positioned at a folded position.
[0008] According to the embodiment of the present disclosure, a vertical rail is arranged
in the casing, the lifting platform is arranged on the vertical rail and up-down movable
along the vertical rail. When the lifting platform is located at a lower end of the
vertical rail, the forming platform is aligned to an area enclosed by the opening.
[0009] According to the embodiment of the present disclosure, the 3D printing device further
includes a fixing assembly and a position latch, the fixing assembly is arranged on
the lifting platform, the fixing assembly is arranged corresponding to an end of the
horizontal sliding rail far from the opening and the forming platform is pressed thereby
toward the opening, the position latch is arranged on the lifting platform, the position
latch latches the forming platform and prevents the forming platform from moving toward
the opening. The fixing assembly comprises a pushing rod pressing on the forming platform
and an elastic member driving the pushing rod. The position latch is pivoted on the
lifting platform, and a reset spring is arranged on the position latch for driving
the position latch to pivot and further latch the forming platform.
[0010] According to the embodiment of the present disclosure, a horizontal sliding rail
is arranged on the lifting platform, and the forming platform is thereby laterally
moveable along the horizontal sliding rail and could be moved out of the casing through
the opening.
BRIEF DESCRIPTION OF DRAWING
[0011] The present disclosure can be more fully understood by reading the following detailed
description of the embodiment, with reference made to the accompanying drawings as
follows:
Figs. 1 and 2 are perspective views showing a 3D printing device according to an embodiment
of the present disclosure.
Figs. 3 to 5 are perspective views showing parts of the 3D printing device according
to the embodiment of the present disclosure.
Fig. 6 is an enlarged view showing an area 6 in Fig. 4.
Fig. 7 is an enlarged view showing an area 7 in Fig. 5.
Fig. 8 is a schematic view showing that a forming platform is released from a position
latch of the 3D printing device according to the embodiment of the present disclosure.
Figs. 9 to 11 are perspective views showing that the forming platform is moved out
of a casing of the 3D printing device according to the embodiment of the present disclosure.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0012] According to Figs. 1 and 2, a 3D printing device is provided in an embodiment of
the present disclosure. According to the present embodiment, the 3D printing device
of the present disclosure preferably has a casing 100, at least one vertical rail
200, a lifting platform 300, at least one horizontal sliding rail 400, a forming platform
500, at least one fixing assembly 600 and at least one position latch 700.
[0013] According to the present embodiment, the casing 100 is preferably a rectangular box,
however, the shape of the casing 100 should not be limited to the embodiment. A forming
chamber 101 is enclosed in the casing 100, an opening 102 is defined on a side of
the casing 100, the opening 102 is communicated with the forming chamber 101, and
door leaves 110 could be arranged on the opening 102. The opening 102 could be closed
by the door leaves 110 when the 3D printing device is operated.
[0014] The vertical rail 200 is upright arranged in the casing 100, the 3D printing device
according to the present embodiment is applied to print large models, and three identical
vertical rails 200 are therefore preferably arranged in the casing 100. The three
vertical rails 200 are respectively arranged corresponding to other three sides without
opening 102 of the casing 100. The aforementioned arrangement is a preferable arrangement
of the vertical rail 200, however, the number and location in the casing 100 of the
vertical rail 200 should not be limited to the embodiment.
[0015] According to Figs. 1 to 5, the lifting platform 300 is accommodated in the casing
100, and the lifting platform 300 is arranged on the vertical rail 200. Specifically,
the lifting platform 300 is connected to the aforementioned respective vertical rails
200, and the lifting platform 300 is thereby up-down movable along the vertical rail
200 in the forming chamber 101 for a 3D printing operation.
[0016] The horizontal sliding rail 400 is arranged on the lifting platform 300, and the
horizontal sliding rail 400 is extended toward the opening 102. According to the present
embodiment, a couple of horizontal sliding rails 400 are structurally and functionally
identical and arranged on the lifting platform 300, and the respective horizontal
sliding rails 400 are preferably rods. The aforementioned arrangement is a preferably
arrangement of the horizontal sliding rail 400, however, the number and type of the
horizontal sliding rail 400 should not be limited to the embodiment.
[0017] According to Figs. 4 to 5 and 9 to 11, the forming platform 500 is arranged on the
horizontal sliding rail 400 and laterally movable along the horizontal sliding rail
400 related to the opening 102. When the lifting platform 300 is located at a bottom
end of the vertical rail 200, the forming platform 500 is located align to an area
enclosed by the opening 102, and the forming platform 500 is therefore capable of
moving out of the casing 100 through the opening 102 along the horizontal sliding
rail 400. The forming platform 500 has a detachable carrying plate 520, and a printed
model is allowed to be formed on the carrying plate 520.
[0018] According to Figs. 3 to 6, the fixing assembly 600 is arranged on the lifting platform
300, the fixing assembly 600 is arranged corresponding to an end of the horizontal
sliding rail 400 far from the opening 102, and the fixing assembly 600 presses the
forming platform 500 toward the opening 102. Specifically, the fixing assembly 600
includes a pushing rod 610 and an elastic member 620, a part of the lifting platform
300 is preferably penetrated by the pushing rod 610 parallel with the horizontal sliding
rail 400, and the pushing rod 610 is thereby capable of moving along a longitudinal
direction thereof and parallel with the horizontal sliding rail 400. The elastic member
620 is preferably a cylindrical spring, the pushing rod 610 is sleeved by the elastic
member 620, and two ends of the elastic member 620 respectively press the lifting
platform 300 and the pushing rod 610, and the pushing rod 610 is thereby pushed to
move toward the opening 102.
[0019] According to Figs. 3 to 5 and 7 to 8, the position latch 700 is arranged on the lifting
platform 300, the position latch 700 latches the forming platform 500 and prevents
the forming platform 500 from moving toward the opening 102. Specifically, the position
latch 700 is pivoted to the lifting platform 300, and latches and fixes the forming
platform 500 by a push force produced by the fixing assembly 600. A reset spring (not
shown in Figs.) could be optionally arranged on the position latch 700 and the position
latch 700 is thereby pivoted to latch and fix the forming platform 500. The forming
platform 500 is fixed on the lifting platform 300 by the fixing assembly 600 and the
position latch 700, and the forming platform 500 is thereby positioned at a working
position for printing the model.
[0020] According to Figs. 9 to 11, at least one bracket 510 is arranged on a bottom surface
of the forming platform 500. When the forming platform 500 is moved out of the casing
100, the forming platform 500 is supported by the bracket 510 at outside of the casing
100. According to the present embodiment, a couple of rod brackets 510 opposite to
each other are preferably arranged on the bottom surface of the forming platform 500
for supporting two sides of the forming platform 500. However, the number and type
of the bracket 510 should not be limited to the embodiment. One end of each bracket
510 (according to the present embodiment, an upper end of the bracket 510 is referred
when the bracket 510 downward expands) is pivoted to the bottom surface of the forming
platform 500 and the respective brackets 510 are swingable along a pivoted end thereof,
and thereby folded to the bottom surface of the forming platform 500. The forming
platform 500 is penetrated by a locking pin 511. When the bracket 510 is downward
swung and expanded, the forming platform 500 and the bracket 510 are penetrated by
the locking pin 511 and the bracket 510 is thereby fixed at an expanded position.
A groove 501 for accommodating the bracket 510 is preferably defined on the bottom
surface of the forming platform 500, the bracket 510 could be pivoted in the groove
501, and the bracket 510 is upward swingable to be folded into the groove 501. A magnetic
member 512 is arranged on a lateral surface of the bracket 510. When the bracket 510
is folded to the forming platform 500, the magnetic member 512 could be magnetically
attached on the forming platform 500, and the bracket 510 is thereby attached on the
bottom surface of the forming platform 500 and fixed at a folded position. According
to the present disclosure, the magnetic member 512 is preferably magnetically attached
on an internal surface of the groove 501 and the bracket 510 is thereby fixed and
accommodated in the groove 501.
[0021] The bracket 510 according to the present disclosure should not be limited to the
aforementioned embodiment. For example, each bracket 510 could be a serially assembled
structure of multiple segments, and a length of the bracket 510 therefore could be
adjusted corresponding to a distance between the bottom surface of the forming platform
500 and a supporting point (e.g. the ground or a table) thereunder supported by the
other end of the bracket 510 (according to the present embodiment, a lower end of
the bracket 510 is referred when the bracket 510 downward expands). Furthermore, a
wheel (not shown in Figs.) for ratable contacting could be selectively further arranged
on an end of the bracket 510 supporting on the supporting point (according to the
present embodiment, the lower end of the bracket 510 is referred when the bracket
510 downward expands).
[0022] According to the embodiment of the present disclosure shown in Figs. 4 to 11, horizontal
sliding rails 400 are arranged on the lifting platform 300, the forming platform 500
on the lifting platform 300 is laterally moveable along the horizontal sliding rail
400. Therefore, the forming platform 500 could be moved out of the casing 100 through
the opening 102 via the horizontal sliding rail 400 and it is convenient for a user
to detach the model from the forming platform 500. When the forming platform 500 is
pushed into the casing 100 and contacted with the fixing assembly 600, the user could
press the forming platform 500 against the fixing assembly 600 to further move the
forming platform 500 into the casing 100. When a latched point 502 on the forming
platform 500 is moved to arrive the corresponding position latch 700, the position
latch 700 could be thereby pushed away, and the corresponding latched point 502 on
the forming platform 500 is allowed to move bypass the position latch 700. When the
corresponding latched point 502 on the forming platform 500 is moved through the position
latch 700, the position latch 700 could be pushed to rotate and further latch the
forming platform 500. The position latch 700 could be pushed manually by a user or
pushed by a reset spring, the scope of the present disclosure should not be limited
to the embodiment.
1. A 3D printing device comprising:
a casing (100), a forming chamber (101) being defined in the casing (100), an opening
(102), which being formed on a side of the casing (100), communicated with the forming
chamber (101);
a lifting platform (300) accommodated in the casing (100);
a horizontal sliding rail (400) arranged on the lifting platform (300) and capable
of being extended toward the opening (102); and
a forming platform (500) arranged on the horizontal sliding rail (400), horizontally
movable along the horizontal sliding rail (400), and being capable of moving out of
the casing (100) through the opening (102).
2. The 3D printing device according to claim 1, wherein a bracket (510) is arranged on
a bottom surface of the forming platform (500), and when the forming platform (500)
is moved out of the casing (100), the bracket (510) is located outside the casing
(100) to support the forming platform (500).
3. The 3D printing device according to claim 2, wherein one end of the bracket (510)
is pivotally connected to the bottom surface of the forming platform (500) and capable
of being folded onto the bottom surface of the forming platform (500).
4. The 3D printing device according to claim 2, wherein the bracket (510) is a combined
structure of serial connected multiple segments, and a length of the bracket (510)
is thereby adjustable according to a point supported by the bracket (510).
5. The 3D printing device according to claim 2, wherein a wheel is arranged on one end
of the bracket (510) for ratable contacting.
6. The 3D printing device according to claim 3, wherein a groove (501) for containing
the bracket (510) is defined on the bottom surface of the forming platform (500).
7. The 3D printing device according to claim 3, wherein the forming platform (500) is
penetrated by a locking pin (511), when the bracket (510) is expanded, the forming
platform (500) and the bracket (510) is penetrated by the locking pin (511) and the
bracket (510) is thereby positioned at an expanded position.
8. The 3D printing device according to claim 3, wherein a magnetic member (512) is arranged
on the bracket (510), when the bracket (510) is folded to the forming platform (500),
the magnetic member (512) magnetically attaches the forming platform (500) and the
bracket (510) is thereby positioned at a folded position.
9. The 3D printing device according to claim 1, wherein a vertical rail (200) is arranged
in the casing (100), and the lifting platform (300) is arranged on the vertical rail
(200) and up-down movable along the vertical rail (200).
10. The 3D printing device according to claim 9, wherein when the lifting platform (300)
is located at a lower end of the vertical rail (200), the forming platform (500) is
aligned to an area enclosed by the opening (102).
11. The 3D printing device according to claim 1, further comprising a fixing assembly
(600) and a position latch (700), the fixing assembly (600) is arranged on the lifting
platform (300), the fixing assembly (600) is arranged corresponding to an end of the
horizontal sliding rail (400) far from the opening (102) and the forming platform
(500) is pressed thereby toward the opening (102), the position latch (700) is arranged
on the lifting platform (300), the position latch (700) latches the forming platform
(500) and prevents the forming platform (500) from moving toward the opening (102).
12. The 3D printing device according to claim 11, wherein the fixing assembly (600) comprises
a pushing rod (610) pressing on the forming platform (500) and an elastic member (620)
driving the pushing rod (610).
13. The 3D printing device according to claim 11, wherein the position latch (700) is
pivoted on the lifting platform (300), and a reset spring is arranged on the position
latch (700) for driving the position latch (700) to pivot and further latch the forming
platform (500).